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6.1 The Earth and the Solar System

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Question 2

The time taken for Mars to orbit the Sun is approximately 687 days.

The average radius of Mars's orbit around the Sun is 2.28 × 108 km.

What is the average orbital speed of Mars?

A

2.4×101 m/s2.4 \times 10^1\text{ m/s}2.4×101 m/s

B

3.8×103 m/s3.8 \times 10^3\text{ m/s}3.8×103 m/s

C

2.4×104 m/s2.4 \times 10^4\text{ m/s}2.4×104 m/s

D

1.5×105 m/s1.5 \times 10^5\text{ m/s}1.5×105 m/s

Markscheme

6.1 The Earth and the Solar System Questions

  1. IGCSE
  2. /Physics
  3. /6.1 The Earth and the Solar System

100 exam-style questions on CIE IGCSE Physics 6.1 The Earth and the Solar System, covering 6.1.1a Rotation of the Earth, the seasons and the Moon, 6.1.1b Average orbital speed, 6.1.2a Contents of the Solar System, 6.1.2b Formation of the Solar System, 6.1.2c Gravitational field strength of a planet, and 6.1.2d Orbits and gravitational attraction. Each one has a worked solution and a mark scheme showing where the marks go.

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